Grain Systems Tanks PNEG-4105 - Manual (Page 25)

Chapter 3: Hardware Requirements
Table 3-2 Hardware for 3-Post Sidewall Sheets on Bins that are 105 Ft in Diameter with 28 to 37 Rings (cont'd.)
Gauge Horizontal Seam
Bolt Size (Quantity)
Vertical Seam Bolt
Size (Quantity)
Stiffener to Sidewall
Bolt Size (Quantity)
Overlap Seam Bolt
Size (Quantity)
6L 3/8 x 2 (24) 7/16 x 2.5 (48) 3/8 x 2 (24) 3/8 x 2 (6)
6LF 7/16-2 (20) 7/16-2.5 (72) 3/8-2 (24) 7/16-2 (10)
Bolt Torque Specifications
The specification torque table below will help the installer determine how tight a specific bolt must be. A
bolt that has been over tightened can be just as dangerous as one that hasn't been tightened enough.
IMPORTANT: Bolts should not be tightened in excess of the torque specifications chart listed below.
Bolt Minimum Torque Maximum Torque
Sealing Joints
(joints with seal-
ing washers)
Structural Joints
(joints without
any sealing
washers)
Sealing Joints
(joints with seal-
ing washers)
Structural Joints
(joints without
any sealing
washers)
ft-lb N-m ft-lb N-m ft-lb N-m ft-lb N-m
5/16-18 JS Gr 8 with seal 20 27 — — 25 34 — —
3/8 -16 JS Gr 8 with seal 30 41 — — 35 47 — —
7/16-14 JS Gr 8 with seal 50 68 — — 60 81 — —
3/8–16 YDP Gr 8 flanged — — 40 54 — — 45 61
7/16–14 YDP Gr 8 flanged — — 65 88 — — 75 101
1/2-13 YDP Gr 8 flanged — — 100 135 — — 115 155
Pneg-4105 105 Ft Diameter 40-Series Bin 25